I am adding Lithium LifeP04 batteries to my boat this year. The boat is a 2000 Searay Sundancer which has to two Merc 7.4 V8 engines. I purchased a Pronautic 60amp charger to handle the shore power charging needs and it does have a LifeP04 program. Each battery bank consists of two Banshee 12V 100ah LifeP04 batteries connected in parallel to double the ah. There is a port and starboard battery bank that power the boat and also providing starting current for the engines. My concerns are the two alternators on the boat. From what I can tell they are original equipment to the boat. Banshee suggests that as long as the alternators produce between 13v and 15v while running (3000 rpm) that should be fine. "should" is what concerns me. I really don't want to blow up my alternators. I believe I'm need an alternator that is a smart alternator with the correct amps but I don't have the budget to replace them at this time. In doing some research I believe the Orion Tr Smart 12/12-30A (360W) might be the way to go. I believe the negatives have a common ground so I think the non isolated would do the trick. Most of my boating is at cruising speeds @3000 rpm producing about 13.7A. Would two of the Orion's do the trick?
Any advise would be most appreciated.